A macro keypad is a small programmable keypad that sends shortcuts or custom key actions to a computer. Instead of typing long commands or repeating complex key combinations, a user can press one button to trigger a saved sequence. These devices are common in productivity setups, accessibility tools, and hardware prototypes because they make repeated tasks faster and easier.
In cyber security, macro keypads matter because they behave like trusted input devices. A system may accept them with little scrutiny, which makes them useful for legitimate automation but also for keystroke injection if a malicious device is plugged in. Defenders respond with USB device controls, endpoint allowlists, and policies that limit unknown peripherals. Understanding a macro keypad helps security teams separate harmless convenience hardware from devices that can silently issue commands to a system.